Word · Frequency #4908
calcium
钙
核心释义
the chemical element calcium (Ca): a soft, silvery-white metal found in limestone and rocks, and an important component of plants and animals
- 1.
化学元素(符号Ca),原子序数20:一种柔软的银白色碱土金属,自然存在于石灰石中的碳酸盐和许多岩石中的硅酸盐
The chemical element (symbol Ca) with atomic number 20: a soft, silvery-white alkaline earth metal which occurs naturally as carbonate in limestone and as silicate in many rocks.
- 2.
一种白色金属元素,燃烧时发出亮光；地壳中含量第五的元素,是多数动植物的主要成分
a white metallic element that burns with a brilliant light; the fifth most abundant element in the earth's crust; an important component of most plants and animals
- 3.
该元素的原子
An atom of this element.
钙原子；化学元素(符号Ca),原子序数20:一种柔软的银白色碱土金属,自然存在于石灰石中的碳酸盐和许多岩石中的硅酸盐；一种白色金属元素,燃烧时发出亮光；地壳中含量第五的元素,是多数动植物的主要成分；该元素的原子；钙；[化] 钙Ca
用法In use
Milk and leafy greens are good sources of calcium for strong bones.
用法提示：calcium 为不可数名词,指钙元素,在此句中作介词 of 的宾语。
The doctor told her to take a calcium supplement every morning.
用法提示：calcium 作名词,修饰 supplement,表示补钙的。
Too little calcium in your diet can weaken your teeth over time.
用法提示：calcium 作名词,指饮食中的钙质,是句子主语的一部分。
calcium + is + adj + for + noun
Calcium is essential for bone health.
钙对骨骼健康至关重要。
source(s) of calcium
也可用 'calcium source'。
相关词与表达Connections
搭配Collocations
- calcium deficiency
- 钙缺乏
- Calcium deficiency can lead to osteoporosis.钙缺乏可能导致骨质疏松。
- calcium intake
- 钙摄入
- Make sure your daily calcium intake is adequate.确保你每天的钙摄入量充足。
- calcium supplement
- 钙补充剂
- She takes a calcium supplement every morning.她每天早上服用钙补充剂。
- calcium carbonate
- 碳酸钙
- Calcium carbonate is a common antacid.碳酸钙是一种常见的抗酸剂。
- calcium-rich
- 富含钙的
学习提示Learner notes
记忆技巧Memory Tip
记住'钙'的英文calcium，化学符号Ca，可联想'钙片上的Ca'。
语境与语域Context & Register
neutral
发音与拼写Pronunciation & Spelling
None of these words rhyme with 'calcium' (/ˈkælsiəm/) or with each other because the stressed vowel and subsequent consonant sounds differ. They only share the spelling pattern '-ium'.
用法优先级Usage priority
Collins 词频等级为 2，建议结合例句记忆，而不是只背中文释义。
一起学习词形Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.